SettingsActivity.java 文件源码

/**
 * Initializes gps logging interval.
 */
private void initGpsLogIntervalControl() {
    // Update GPS logging interval summary to the current value
    final Preference pref = findPreference(org.openbmap.Preferences.KEY_GPS_LOGGING_INTERVAL);
    pref.setSummary(
            PreferenceManager.getDefaultSharedPreferences(this).getString(org.openbmap.Preferences.KEY_GPS_LOGGING_INTERVAL, org.openbmap.Preferences.VAL_GPS_LOGGING_INTERVAL)
                    + " " + getResources().getString(R.string.prefs_gps_logging_interval_seconds)
                    + ". " + getResources().getString(R.string.prefs_gps_logging_interval_summary));
    pref.setOnPreferenceChangeListener(new OnPreferenceChangeListener() {
        @Override
        public boolean onPreferenceChange(final Preference preference, final Object newValue) {
            // Set summary with the interval and "seconds"
            preference.setSummary(newValue
                    + " " + getResources().getString(R.string.prefs_gps_logging_interval_seconds)
                    + ". " + getResources().getString(R.string.prefs_gps_logging_interval_summary));
            return true;
        }
    });
}